Official patch notes
Riot's official notes are the source of truth for every change, including system and gameplay updates.
Changes detected in game data
Compared Data Dragon 16.15.1 with 16.14.1. Detection covers champion base stats, ability cooldowns/costs/ranges and item costs/stats. Damage values and ratios are not reliably exposed by Data Dragon — read the official notes for those.
Data Dragon is updated manually by Riot and can trail the live patch for a short time.
Champions
Buffs 4Nerfs 1Adjustments 1New champions: Ahri, Alistar, Amumu, Anivia, Annie, Ashe, Blitzcrank, Brand, Cho'Gath, Corki, Dr. Mundo, Evelynn, Ezreal, Fiddlesticks, Gangplank, Garen, Gragas, Heimerdinger, Janna, Jarvan IV, Jax, Karthus, Kassadin, Katarina, Kayle, Kog'Maw, Lee Sin, Leona, Lulu, Lux, Malphite, Malzahar, Master Yi, Miss Fortune, Morgana, Nasus, Nidalee, Nunu & Willump, Olaf, Pantheon, Rammus, Ryze, Shaco, Singed, Sion, Sivir, Skarner, Sona, Soraka, Taric, Teemo, Tristana, Tryndamere, Twisted Fate, Twitch, Vayne, Veigar, Warwick, Wukong, Zilean
- Base Move speed330335
- E cooldown18/16/14/12/1016/14/12/10/8
- Q cooldown14/13/12/11/1012/11.5/11/10.5/10
- Armor per level4.75.2
- E cooldown22/19/16/13/1021/18/15/12/9
- Base Health655620
- Base Health610580
- Health per level105110
- Base Resource6045
- Base Attack damage6055
- Base Attack speed0.850.67
- Base Armor32
Items
Buffs 2Nerfs 0Adjustments 0- Total cost32003000
- Total cost31003000
- Attack Speed4045
Systems
Data unavailable
System changes are not exposed by any official machine-readable source. See the official patch notes.